USGS Multimedia Gallery
Inside the acrylic sphere of the JSL submersible, Professor Mike Risk of McMaster University observes the coral habitat of Viosca Knoll. Quantifying the fauna of a bamboo coral, black coral, and anemone forest on the continental slope along a video transect, the JSL submersible encounters a school o...
Tinselfish (Grammicolepis brachiusculus)
Sculling along in triggerfish-fashion, the Tinselfish (Grammicolepis brachiusculus) hovers as brown dead Lophelia coral is collected, along with a pencil urchin (Cidaris rugosa) and patches of blue desmacollid sponge. With its tubular mouth permanently frozen open, the Tinselfish vacuums up small cr...